basic

Electric Potential Energy of Two Point Charges Calculator

U = kq₁q₂/r — Coulomb potential energy.

Calculates the electric potential energy U = k·q₁·q₂/r between two point charges and the electric force F = k·q₁·q₂/r². k = 8.99×10⁹ N·m²/C².

Dr. Helena Ortiz By Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

C
C
m

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

U = k·q₁·q₂/r; F = k·q₁·q₂/r²

In depth

Calculates the electric potential energy U = k·q₁·q₂/r between two point charges and the electric force F = k·q₁·q₂/r². k = 8.99×10⁹ N·m²/C².